Open Ports on Privatetunnel

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i2c
OpenVpn Newbie
Posts: 1
Joined: Wed Apr 26, 2017 5:49 pm

Open Ports on Privatetunnel

Post by i2c » Wed Apr 26, 2017 6:15 pm

Using the Privatetunnel (www.privatetunnel.com) service over OpenVPN, I just found that (at least) following ports are open: 22 (SSH), 53 (DNS) and 443 (HTTPS). I'm just wondering, why the port 22 is necessary to be open. I thought that OpenVPN only needs the port 443 for a secure connection. Does anybody know, what for the port 22 is used in Privatetunnel?
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